Download App

Improvement in Food Resources — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceImprovement in Food Resources2 Marks
Question
What are macro-nutrients and why are they called macronutrients?
✓

Answer

Macro-nutrientsare nutrients required in relatively large quantities for growth and development of plants. They are six in number. Since they are required in large quantities, they are known as macro-nutrient. The six macro-nutrients required by plants are nitrogen, phosphorus, potassium, calcium, magnesium, and sulphur.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Answer the questions.[Bio-2M]" from Improvement in Food Resources→Improvement in Food Resources — all question types→Science STD 9 question papers→CBSE Board STD 9 question papers→CBSE Board question paper generator→

Similar questions

Define artificial insemination. Write down two advantages of it.
→
brief state what happens when:
Golgi apparatus is removed from the cell?
→
Why do plant cells possess large sized vacuole?
→
From where do new cells arise?
→
brief state what happens when:
A red blood cell is kept in concentrated saline solution?
→
How are high yielding breeds of poultry advantageous over indigenous breeds?
→
How does roughage differ from concentrates with reference to cattle feed?
→

What is sporophyte?

→

Which tissue forms blubber of whale and hump of camel?

→
Name the following:
  1. Tissue which stores fat.
  2. Epithelium which lines lung alveoli.
→